Key Concepts in Public Health identifies fifty key concepts used across the discipline of public health in order to give the reader a broad perspective of the core topics relevant to training and practice. From epidemiology to health promotion, and ethics to leadership, the book offers an exciting guide to the multiprofessional field. Each entry features a snapshot definition of the concept, a broader discussion addressing the main issues and links to practice, key points relevant to the entry, case studies to illustrate the application to practice, and examples of further reading.

Health Impact Assessment

Health Impact Assessment

Health impact assessment
Rachel A.Wells


Health impact assessment (HIA) is defined as an assessment of the effects that an action or group of actions may have on the health of a population. The population may be defined in the broadest sense and may be geographical or a community of interest. Scott-Samuel defined HIA as ‘the estimation of the effects of a specified action on the health of a defined population’ (Scott-Samuel, 1998).

The WHO definition is ‘a combination of procedures, methods and tools by which a policy, programme or project may be judged as to its potential effects on the health of a population, and the distribution of those effects within the population’ (WHO, 1999).

Key Points

  • democracy – the involvement of a wide range of stakeholders;
  • equity ...
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